既能平肝阳、清肝热，又能息肝风的药物是
A．天麻
B．石决明
C．钩藤
D．羚羊角
参考答案：C,D
甲、乙、丙、三个人按任意次序站成一排，则甲站中间的概率为______．
________ poor health, my father is always cheerful.
A．In spite of
B．In pursuit of
C．In memory of
D．In case of
